Infested Oldwalls

 is a location in Tyranny. It is unlocked if you talk to Irentis about recovering the Dauntless (Rebel path) or take Irentis' Notes from his corpse (non-Rebel paths).

Background
This stretch of Oldwalls is full of heavily-scarred terrain and is said to be overrun with Bane. Allegedly, it is the current resting place of Dauntless, legendary sword of the Unbroken.

Points of interest

 * Plenty of Bane here. Head forward and clear them out and loot the bodies. Draw them out in groups, rather than all at once. There are two Malice and three Scourges in total.
 * Claim the Dauntless from the rock.

Loot

 * Scarlet Notebook
 * Dauntless